Second Harmonic Generation of Self-Mode-Locked СО2-Laser Radiation in GaSe and GaSeS Crystals

被引：0
作者：
D. E. Genin
D. V. Beloplotov
A. G. Sitnikov
A. N. Panchenko
S. Yu. Sarkisov
A. I. Chernyshov
机构：
[1] High-Current Electronics Institute of the Siberian Branch of the Russian Academy of Sciences,
[2] National Research Tomsk State University,undefined
[3] V. D. Kuznetsov Siberian Physical-Technical Institute at National Research Tomsk State University,undefined
来源：
Russian Physics Journal | 2014年 / 56卷
关键词：
second harmonic generation; CO; laser; GaSe crystal; GaSe; S; self-mode-locking;
D O I：
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中图分类号：
学科分类号：
摘要：
A TEA CO2 laser generating at the wavelength λ = 10.6 μm in the modes of free lasing and self-mode-locking was used to obtain and compare second harmonic generation (SHG) in GaSe and GaSe0.7S0.3 crystals. With the self-mode-locked laser, a 5-times higher energy efficiency of SHG was obtained. The efficiency of SHG in the GaSe0.7S0.3 crystal and its second-order nonlinear susceptibility were estimated and compared with their values for undoped GaSe.
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页码：1267 / 1273
页数：6
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